People gather at the University of Nairobi to attends a giant open-air mass celebrated by Pope Francis on November 26, 2015. Pope Francis held his first open-air mass in Africa on November 26 with huge crowds calling heavy rains "God's blessing" as they sung and danced in the Kenyan capital. The 78-year-old pontiff, the third pope to visit the continent, is also scheduled to visit Uganda and the troubled Central African Republic (CAR) on a six-day trip. AFP PHOTO / GEORGINA GOODWIN